Books: Charlemagne's Canal

SAILING ACROSS EUROPENegley FarsonCentury ($3.50). Everyone knows
that Europe's air system now reaches every important city and many an
unimportant. But who knew that for centuries it has been possible to
travel inland by boat from Rotterdam, climb the Rhine, get into the
Danube and debouch upon the Black Sea? The key link is the Ludwig
Canal, begun by Charlemagne 1,200 years ago. With 101 locks in 107
miles it climbs out of Bavaria through the clouds of the Frankischer
Jura mountains and deposits you in Austria. . The German Consulate at...